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  <title>Version 1.23.0</title>
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              <h1>Version 1.23.0</h1>
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              <h2><span class=
              "news-title">Version 1.23.0</span></h2>

              <p><span class=news-date">July 6th, 2001 12:00 GMT</span></p>

              <table class="download-table"><caption>Downloads</caption><tr><th scope="col">Platform</th><th scope="col">File</th></tr>
<tr><th scope="row" rowspan="2">unix</th><td><a href="http://sourceforge.net/projects/boost/files/boost/1.23.0/boost_1_23_0.tar.bz2">boost_1_23_0.tar.bz2</a></td></tr><tr><td><a href="http://sourceforge.net/projects/boost/files/boost/1.23.0/boost_1_23_0.tar.gz">boost_1_23_0.tar.gz</a></td></tr>
<tr><th scope="row">windows</th><td><a href="http://sourceforge.net/projects/boost/files/boost/1.23.0/boost_1_23_0.zip">boost_1_23_0.zip</a></td></tr></table>
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        <span class="library"><a href="/libs/any/index.html">Any Library</a></span> added. Safe,
        generic container for single values of different value types, from Kevlin
        Henney.
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        <span class="library"><a href="/libs/function/index.html">Function Library</a></span> added.
        Function object wrappers for deferred calls or callbacks, from Doug Gregor.
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    <li>
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        <span class="library"><a href="/libs/tokenizer/index.html">Tokenizer Library</a></span> added.
        Break a string into a series of tokens, from John Bandela.
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    <li>
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        <a href="/doc/html/boost_math/math_special_functions.html">Special functions</a>,
        <a href="/doc/html/boost_math/octonions.html">octonions</a>, <a href="/doc/html/boost_math/quaternions.html">quaternions</a> added, from
        Hubert Holin.
      </div>
    </li>
    <li>
      <div>
        <span class="library"><a href="/libs/smart_ptr/smart_ptr.htm">Smart Pointer Library</a>:</span>
  shared_ptr
        polymorphic pointers now work on more broken compilers.
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    <li>
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        IBM/Aix Compiler status table contributed by Toon Knapen.
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        Minor fixes to a number of other libraries.
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